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Noveske 4th Generation precision machined billet receiver from 7075-T6 aluminum
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Direct blow-back operation only
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Hardcoat type III anodized
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Featuring anti-rotation interface with handguard
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Picatinny mil-standard 1913 top rail with Noveske Cross
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This upper is compatible with both Colt and Glock pattern lower receivers
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Standard AR-15 pivot and take down pin locations
